package com.zzyl.serve.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.zzyl.serve.dto.ReservationDto;
import com.zzyl.serve.vo.TimeCountVO;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;

import java.time.LocalDateTime;
import java.util.List;
import com.zzyl.serve.domain.Reservation;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

/**
 * 预约信息Mapper接口
 * 
 * @author chenming
 * @date 2025-05-08
 */
@Mapper
public interface ReservationMapper extends BaseMapper<Reservation>
{
    /**
     * 查询预约信息
     * 
     * @param id 预约信息主键
     * @return 预约信息
     */
    public Reservation selectReservationById(Long id);

    /**
     * 查询预约信息列表
     * 
     * @param reservation 预约信息
     * @return 预约信息集合
     */
    public List<Reservation> selectReservationList(Reservation reservation);

    /**
     * 新增预约信息
     * 
     * @param reservation 预约信息
     * @return 结果
     */
    public int insertReservation(Reservation reservation);

    /**
     * 修改预约信息
     * 
     * @param reservation 预约信息
     * @return 结果
     */
    public int updateReservation(Reservation reservation);

    /**
     * 删除预约信息
     * 
     * @param id 预约信息主键
     * @return 结果
     */
    public int deleteReservationById(Long id);

    /**
     * 批量删除预约信息
     * 
     * @param ids 需要删除的数据主键集合
     * @return 结果
     */
    public int deleteReservationByIds(Long[] ids);

    @Insert("insert into reservation(name,mobile,time,visitor,type,status,create_time) values(#{name},#{mobile},#{time},#{visitor},#{type},#{status},#{createTime})")
    void addReservation(Reservation reservation);

    @Select("select count(*) from reservation where update_by = #{userId} and status = 2 and create_time between #{startTime} and #{endTime}")
    int countCancelledReservations(@Param("userId") Long userId,
                                   @Param("startTime") LocalDateTime startTime,
                                   @Param("endTime") LocalDateTime endTime);

    @Select("select time, 6 - count(*) as count from reservation where time between #{startTime} and #{endTime} and status != 2 group by time")
    List<TimeCountVO> countReservationsByTime(@Param("startTime") LocalDateTime startTime,
                                              @Param("endTime") LocalDateTime endTime);
}
